Water Quality Report · Updated October 07, 2026
TOLEDO CITY OF
TOLEDO CITY OF delivers tap water graded C (69/100) by TapWaterSafety.org. The utility serves approximately 360,000 residents in TOLEDO, Ohio using surface water. The most significant water quality concerns are: Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Bromodichloromethane significantly above health guideline. For questions, the utility can be reached at 419-245-1847.
Is TOLEDO tap water safe to drink?
TOLEDO CITY OF delivers tap water that earns a grade of C (69/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.
The utility serves 360,000 residents in TOLEDO, drawing from surface water.
Public testing data identifies 14 contaminants in this water above EWG's health-based guidelines, including: Total trihalomethanes (TTHMs), Haloacetic acids (HAA9), Bromodichloromethane, Haloacetic acids (HAA5), Dibromoacetic acid, Chloroform, Dibromochloromethane, Dichloroacetic acid, Chromium (hexavalent), Trichloroacetic acid, Nitrate, Nitrate and nitrite, Bromoform, Chlorite. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
EPA compliance record
Official U.S. EPA records for TOLEDO CITY OF (system ID OH4801411) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule Revisions | Missed reporting | 07/02/2025 | Open |
| Consumer Confidence Rule | Other (e.g. public notice) | 01/25/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Quick actions for TOLEDO residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for TOLEDO CITY OF.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 42.3 ppb, 282x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 15.3 ppb, 255x above the EWG health guideline of 0.06 ppb.
Bromodichloromethane significantly above health guideline
Moderate concernBromodichloromethane detected at 10.0 ppb, 167x above the EWG health guideline of 0.06 ppb.
Contact TOLEDO CITY OF
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for TOLEDO
Filters matched to the specific contaminants in this water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts like TTHM. Look for NSF/ANSI 53 VOC or chloroform reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 69/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Total trihalomethanes (TTHMs) Disinfection byproduct |
42.3 ppb | 0.15 | 80.0 | 100 | — | — | — | 282× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
15.3 ppb | 0.06 | — | — | — | — | — | 255× over |
| Bromodichloromethane Disinfection byproduct |
10.0 ppb | 0.06 | — | — | — | — | — | 167× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
10.9 ppb | 0.1 | 60.0 | 60 | — | — | — | 109× over |
| Dibromoacetic acid Disinfection byproduct |
2.28 ppb | 0.03 | — | — | — | — | — | 76× over |
| Chloroform Disinfection byproduct |
25.0 ppb | 0.4 | — | — | — | — | — | 62× over |
| Dibromochloromethane Disinfection byproduct |
6.13 ppb | 0.1 | — | — | — | — | — | 61× over |
| Dichloroacetic acid Disinfection byproduct |
6.66 ppb | 0.2 | — | — | — | — | — | 33× over |
| Chromium (hexavalent) Heavy metal |
0.219 ppb | 0.02 | — | — | — | — | — | 11× over |
| Trichloroacetic acid Disinfection byproduct |
0.846 ppb | 0.1 | — | — | — | — | — | 8.5× over |
| Nitrate Inorganic |
0.959 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 6.9× over |
| Nitrate and nitrite Inorganic |
0.966 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 6.9× over |
| Bromoform Disinfection byproduct |
1.22 ppb | 0.5 | — | — | — | — | — | 2.4× over |
| Chlorite Disinfection byproduct |
65.5 ppb | 50.0 | 1000.0 | — | — | — | — | 1.3× over |
| Chlorate Disinfection byproduct |
68.1 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
1.77 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.79 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.671 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
5.0 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.478 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.141 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.951 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
TOLEDO CITY OF service area
This water system serves 1 community in Lucas County, Ohio. Click any city for its dedicated tap water quality page.
Find the right filter for TOLEDO water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.